Grease filter



FIG. 1 is a perspective view of a grease filter showing my new design;

FIG. 2 is a front elevational view thereof, the rear view being identical;

FIG. 3 is a top plan view thereof, the bottom view being identical;

FIG. 4 is a side elevational view thereof, the opposite side being identical;

FIG. 5 is a perspective view of a second embodiment thereof;

FIG. 6 is a front elevational view thereof, the rear view being identical;

FIG. 7 is a top plan view thereof, the bottom view being identical;

FIG. 8 is a side elevational view thereof, the opposite side being identical;

FIG. 9 is a perspective view of a third embodiment thereof;

FIG. 10 is a front elevational view thereof, the rear view being identical;

FIG. 11 is a top plan view thereof, the bottom view being identical;

FIG. 12 is a side elevational view thereof, the opposite side being identical;

FIG. 13 is a perspective view of a fourth embodiment thereof;

FIG. 14 is a front elevational view thereof, the rear view being identical;

FIG. 15 is a top plan view thereof, the bottom view being identical;

FIG. 16 is a side elevational view thereof, the opposite side being identical;

FIG. 17 is a perspective view of a fifth embodiment thereof;

FIG. 18 is a front elevational view thereof, the rear view being identical;

FIG. 19 is a top plan view thereof, the bottom view being identical;

FIG. 20 is a side elevational view thereof, the opposite side being identical;

FIG. 21 is a perspective view of a sixth embodiment thereof;

FIG. 22 is a front elevational view thereof, the rear view being identical;

FIG. 23 is a top plan view thereof, the bottom view being identical; and,

FIG. 24 is a side elevational view thereof, the opposite side being identical.

The broken line drawings of a kitchen stove exhaust air hood in FIGS. 1, 5, 9, 13, 17, and 21 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a grease filter, as shown and described. 